Product Details | SPECIAL SHAPED ACTUATOR VALVE DIAPHRAGM

4820-00-859-9251 An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.20529100042Engine Fuel System Components, Nonaircraft29150064Engine Fuel System Components, Aircraft and Missile Prime Movers42200038Marine Lifesaving and Diving Equipment48100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 61P254, 4820-00-859-9251, 00-859-9251, 4820008599251, 008599251

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-859-9251

Demand History | NSN 4820-00-859-9251

Part Number Request Date QTY Origin
4820-00-859-9251 2013-12-338 4 US

Cross Reference | NSN 4820-00-859-9251

Part Number Cage Code Manufacturer
61P254 59310 ABB KENT-TAYLOR INC

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Technical Data | NSN 4820-00-859-9251

Characteristic Specifications
MATERIAL RUBBER, SYNTHETIC
STYLE DESIGNATOR G52 SPECIAL SHAPED
HOLE DIAMETER 0.500 INCHES NOMINAL
OUTSIDE DIAMETER 10.530 INCHES NOMINAL
BOLT CIRCLE DIAMETER 9.500 INCHES NOMINAL
OVERALL HEIGHT 1.440 INCHES NOMINAL
MATERIAL THICKNESS 0.061 INCHES NOMINAL
TAPER MINOR DIAMETER 6.825 INCHES NOMINAL
TAPER MAJOR DIAMETER 8.100 INCHES NOMINAL
BOLT HOLE QUANTITY 12
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
PRESSURE RATING NOT RATED
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 4820-00-859-9251

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information